chore: 初始提交 Fonu 1.0.2

- 公网反代：Nginx 状态卡片（版本 / 运行状态 / 配置校验 / 端口监听）
- 部署设置第一、二梯队（HTTPS 开关、安全头、限流、连接数、仅中国大陆 IP）
- 隧道检测兼容 frps v0.68 / v0.71（V2 与旧版端点）
- 恢复被清空的 internal/frp/store.go、internal/api/ddns_handler.go、web/src/views/DdnsView.vue

internal/api/ddns_handler.go

@@ -0,0 +1,157 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"github.com/fonu/fonu/internal/ddns"
+)
+
+type DDNSHandler struct {
+	svc *ddns.Service
+}
+
+func NewDDNSHandler(svc *ddns.Service) *DDNSHandler {
+	return &DDNSHandler{svc: svc}
+}
+
+type ddnsRequest struct {
+	Provider    string   `json:"provider"`
+	RootDomain  string   `json:"root_domain"`
+	RecordName  string   `json:"record_name"`
+	RecordNames []string `json:"record_names"`
+	Domains     []string `json:"domains"`
+	IPv4Enabled *bool    `json:"ipv4_enabled"`
+	IPv6Enabled *bool  `json:"ipv6_enabled"`
+	Enabled     *bool  `json:"enabled"`
+	CustomIPv4  string `json:"custom_ipv4"`
+	CustomIPv6  string `json:"custom_ipv6"`
+	APIToken    string `json:"api_token"`
+	APITokenID  string `json:"api_token_id"`
+	APISecret   string `json:"api_secret"`
+}
+
+func (h *DDNSHandler) toInput(req ddnsRequest) ddns.SaveInput {
+	return ddns.SaveInput{
+		Provider:    req.Provider,
+		RootDomain:  req.RootDomain,
+		RecordName:  req.RecordName,
+		RecordNames: req.RecordNames,
+		Domains:     req.Domains,
+		IPv4Enabled: boolDefault(req.IPv4Enabled, true),
+		IPv6Enabled: boolDefault(req.IPv6Enabled, false),
+		Enabled:     boolDefault(req.Enabled, true),
+		CustomIPv4:  req.CustomIPv4,
+		CustomIPv6:  req.CustomIPv6,
+		APIToken:    req.APIToken,
+		APITokenID:  req.APITokenID,
+		APISecret:   req.APISecret,
+	}
+}
+
+func (h *DDNSHandler) List(w http.ResponseWriter, r *http.Request) {
+	var configs []ddns.Config
+	var err error
+	if r.URL.Query().Get("lite") == "1" {
+		configs, err = h.svc.ListLite(r.Context())
+	} else {
+		configs, err = h.svc.List(r.Context())
+	}
+	if err != nil {
+		writeError(r, w, http.StatusInternalServerError, "读取 DDNS 配置失败")
+		return
+	}
+	writeJSON(w, http.StatusOK, configs)
+}
+
+func (h *DDNSHandler) Create(w http.ResponseWriter, r *http.Request) {
+	var req ddnsRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(r, w, http.StatusBadRequest, "请求格式无效")
+		return
+	}
+	cfg, err := h.svc.Create(r.Context(), h.toInput(req))
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, cfg)
+}
+
+func (h *DDNSHandler) Update(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, "无效的配置 ID")
+		return
+	}
+	var req ddnsRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(r, w, http.StatusBadRequest, "请求格式无效")
+		return
+	}
+	cfg, err := h.svc.Update(r.Context(), id, h.toInput(req))
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, cfg)
+}
+
+func (h *DDNSHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, "无效的配置 ID")
+		return
+	}
+	if err := h.svc.Delete(r.Context(), id); err != nil {
+		writeError(r, w, http.StatusBadRequest, err.Error())
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func (h *DDNSHandler) Test(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		ConfigID   int64  `json:"config_id"`
+		Provider   string `json:"provider"`
+		APIToken   string `json:"api_token"`
+		APITokenID string `json:"api_token_id"`
+		APISecret  string `json:"api_secret"`
+	}
+	_ = json.NewDecoder(r.Body).Decode(&req)
+	if err := h.svc.Test(r.Context(), ddns.TestInput{
+		ConfigID:   req.ConfigID,
+		Provider:   req.Provider,
+		APIToken:   req.APIToken,
+		APITokenID: req.APITokenID,
+		APISecret:  req.APISecret,
+	}); err != nil {
+		writeError(r, w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]string{"message": "连接成功"})
+}
+
+func (h *DDNSHandler) UpdateOne(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, "无效的配置 ID")
+		return
+	}
+	cfg, err := h.svc.UpdateNow(r.Context(), id)
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, cfg)
+}
+
+func (h *DDNSHandler) UpdateAll(w http.ResponseWriter, r *http.Request) {
+	configs, err := h.svc.UpdateAll(r.Context())
+	if err != nil {
+		writeError(r, w, http.StatusBadRequest, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, configs)
+}